Diagnose the HA above you? What is their personal psychosis?
Xenophobia - Fear of strangers or foreigners.

Thermophobia - The fear of heat.
o,O Obviously Mysophobia (fear of germs)

Ablutophobia. You fear washing and bathing. Everyone can tell because you've gotten all moldy!

( ;^; but green is my favorite color) Liticaphobia Fear of lawsuits.
Ithyphallophobia- Fear of seeing, thinking about or having an erect penis.
Catoptrophobia - fear of mirrors or of one's own reflection.
you have the fear of walloons. Walloonphobia- Fear of the Walloons.
Schizophrenia.
Certain types of schizophrenia are characterized by believing oneself to be an animal or animal spirit common in the region, and exhibiting behaviors typical to said animal. Such as someone from Japan who is convinced they are a kitsune, or a Native American taking on the traits of a coyote.
/textbooking
Alchoholism?
No, that's not really a psychotic problem itself but deriving off of that I would say depression.. possibly bipolar.
(Actually I think if you thought you were a kitsune it would fall more in the dissociative identity disorder category.. but I could be wrong. What text are you using?)
Spectrophobia The fear of mirrors and one's own reflection. :o
Aquaphobia fear of water
and ombrophobia fear of rain